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Hands-On Full-Stack Web Development with GraphQL and React

You're reading from   Hands-On Full-Stack Web Development with GraphQL and React Build scalable full-stack applications while learning to solve complex problems with GraphQL

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789134520
Length 460 pages
Edition 1st Edition
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Author (1):
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Sebastian Grebe Sebastian Grebe
Author Profile Icon Sebastian Grebe
Sebastian Grebe
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Table of Contents (15) Chapters Close

Preface 1. Preparing Your Development Environment FREE CHAPTER 2. Setting up GraphQL with Express.js 3. Connecting to The Database 4. Integrating React into the Back end with Apollo 5. Reusable React Components 6. Authentication with Apollo and React 7. Handling Image Uploads 8. Routing in React 9. Implementing Server-Side Rendering 10. Real-Time Subscriptions 11. Writing Tests 12. Optimizing GraphQL with Apollo Engine 13. Continuous Deployment with CircleCI and Heroku 14. Other Books You May Enjoy

Performance metrics with Apollo Engine

When your application is live and heavily used, you can't check the status of every feature yourself; it would lead to an impossible amount of work. Apollo Engine can tell you how your GraphQL API is performing by collecting statistics with each request that's received. You always have an overview of the general usage of your application, the number of requests it receives, the request latency, the time taken to process each operation, the type, and also each field that is returned. Apollo Server can provide these precise analytics, since each field is represented in a resolver function. The time elapsed to resolve each field is then collected and stored inside Apollo Engine.

At the top of the Metrics page, you have four tabs. The first tab will look as follows:

If your GraphQL API is running for more than a day, you'll receive...

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